- Rhymes: -æstə(ɹ)
- To overcome; to win or prevail in a competition.
- 1835, Samuel Taylor Coleridge, The poetical works of S.T. Coleridge - Volume 2, page 81:
- Pleas'd with the guilt, yet envy-stung at heart To stand outmaster'd in his own black art!
- 1894, Henry Scott Holland, God's City and the Coming of the Kingdom, page 151:
- He would outmaster, outflank, the mystery of iniquity by the mystery of godliness.
- 2000, Catherine Coulter, Jade Star, →ISBN, page 204:
- Don't try to outmaster the master.
- 2015, Jenni James, The Little Mermaid: Faerie Tale Collection, →ISBN:
- The great, hulking brute rubbed his jaw and lunged at Keel, but years of the finest royal training only made it easy for the angry merprince to outmaster the human.